code: def sampler(model, sampler_config):
      return HypersphereUniformSampler(
          model=model, sampler_config=HypersphereUniformSamplerConfig()
      )
  
file_path: benchmark_VAE/tests/test_hypersphere_uniform_sampler.py
imports: import os
  import numpy
  import pytest
  import torch
  from pythae.models import AE, VAE, AEConfig, VAEConfig
  from pythae.pipelines import GenerationPipeline
  from pythae.samplers import HypersphereUniformSampler, HypersphereUniformSamplerConfig, NormalSampler, NormalSamplerConfig
label_desc: Use image node_id 4 for calling a global function with example usage: sampler(model, sampler_config) and returns: HypersphereUniformSampler